#2 Ryan Fraser and Junior Stanislas must be kept quiet
These are the two danger-men of The Cherries, and Arsenal will have to be on the lookout for them. They are pacy, tricky, and will prove to be vital tests for Nacho Monreal (if he is declared fit to play) or Sead Kolasinac and Hector Bellerin.
The likes of Alex Iwobi and Henrikh Mkhitaryan would be key to tracking their mazy runs into the box, and reducing their threats to the barest minimum.
#3 Arsenal must capitalise on Simon Francis' weaknesses
This could prove to be Arsenal's most potent weapon against The Cherries. Simon Francis is Bournemouth's captain, and the veteran no longer has age on his side. Therefore opposition who play Bournemouth often take advantage of this fact.
Infact, in the last two games against The Gunners, he has received a red and a yellow card, highlighting what could be his weakness.
In the game against United, Paul Pogba was often isolated with him in one on one situations, and found joy attacking from the left, as Francis occupies the right full back position.
One of such situations resulted in United's winner scored by Marcus Rashford.
Arsenal must utilise their strength, attacking on the left to carve open this Bournemouth defence. The pace of Alex Iwobi and Pierre-Emerick Aubameyang must be used to good effect in this regard.